<template>
  <div class="shopcar-container">
    <div class="goods-list">
      <!-- 商品列表区域 -->
      <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch 
            v-model="$store.getters.getGoodsSelected[item.id]"
            @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path" />
            <div class="info">
              <h1>{{ item.title }}</h1>
              <p>
                <span>￥{{ item.sell_price }}</span>
                <cmtbox  :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></cmtbox>
                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                <!-- 点击删除按钮，删除对应商品项 -->
              </p>
            </div>
          </div>
        </div>
      </div>

      <!-- 商品结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div
            class="mui-card-content-inner jiesuan">
              <div class="left">
                <p>总计(不含运费)</p>
                <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span> 件，总价 <span class="red">￥{{ $store.getters.getGoodsCountAndAmount.amount }}</span> </p>
              </div>
              <mt-button type='danger' >去结算</mt-button>
            </div>
        </div>
      </div>
    </div>
    <p>{{ $store.getters.getGoodsSelected }}</p>
  </div>
</template>

<script>
// 引入数字选择框
import cmtbox from "../subcomponents/shopcar_numbox.vue";
export default {
  data() {
    return {
      goodslist: []  //购物车中所有商品的数据
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    getGoodsList() {
      //获取商品列表
      // 定义一个数组存放所选选中商品的id值
      var idArr = [];
      this.$store.state.car.forEach(item => idArr.push(item.id));
      if (idArr.length <= 0) {
        return;
      }
      this.$axios
        .get("/api/goods/getshopcarlist/" + idArr.join(","))
        .then(response => {
          this.goodslist = response.data.message;
        });
    },
    remove(id,index){
      // 首先根据商品的索引值从goodsinfo中删除对应商品项
      this.goodslist.splice(index,1);
      // 获取store中的数据，根据商品id删除对应商品项
      this.$store.commit('removeFormCar',id)
    },
    selectedChanged(id,val){
      this.$store.commit('updateGoodsSelected',{ id, selected: val })
    }
  },
  components: {
    cmtbox
  }
};
</script>

<style lang="scss" scoped>
.shopcar-container {
  .goods-list {
    background-color: #eee;
    overflow: hidden;
    .mui-card-content-inner {
      display: flex;
      align-items: center;
      img {
        width: 60px;
      }
      h1 {
          font-size: 13px;
        }
      .info {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        
        p {
          span {
            color: red;
            font-weight: bold;
          }
        }
      }
    }
  }
  .jiesuan{
    display: flex;
    justify-content: space-between;
    align-items: center;
    .red{
      color: red;
      font-weight: bold;
      font-size: 16px;
    }
  }
}
</style>